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When the Detroit Lions cut Jerome Felton, the last fullback to make their team, midway through training camp in 2011, one of the two teams he joined before finding a home with the Minnesota Vikings was Jim Caldwell's Indianapolis Colts.

Now the Lions' head coach, Caldwell and Lions general manager Martin Mayhew said at the NFL combine last week that the fullback could make a return to Detroit.

"I've kind of always liked to have a fullback around," Mayhew said. "The problem has been if the guy's just going to be an I-back and that's all he's going to do - he's going to play 10 snaps - then how do you keep ...